52.2.52.0-52.2.55.255 52.2.52.0/22
52.2.56.0-52.2.63.255 52.2.56.0/21
52.2.64.0-52.2.67.255 52.2.64.0/22
52.2.68.0-52.2.69.255 52.2.68.0/23
52.2.70.0-52.2.70.255 52.2.70.0/24